clean-burning fuel造句

• There is a growing realization that the only effective way to achieve further reductions in vehicle emissions ? short of a massive shift away from the private automobile ? is to replace conventional diesel fuel and gasoline with cleaner - burning fuels such as compressed natural gas , liquefied petroleum gas , ethanol , or methanol
  人们逐渐认识到，唯一有效的方法来进一步减少车辆尾气的排放量? ?除了大规模减少私人汽车? ?替换传统的柴油和汽油，用燃烧得更加清洁的燃料，比如说压缩天然气、液化石油气、乙醇、或者甲醇。